1766 LETTER JAMES + DAVID WEBSTER to JAMES SMITH EDINBURGH re SEEDS

Cover with entire letter on PRO PATRIA watermarked paper, from James & David Webster in London 7th March 1766, to James Smith in Edinburgh; Bishop mark 27 MR in brown on the back.  Letter mentions seeds red clover, white clover + rye grass, agriculture.  Some soiling and ageing.